Release Time:2019-04-15 |
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李树忱
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Gender:Male
Patents
用于膨胀性土层隧道初期的钢格栅钢拱架联合支护
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201410052603.6
Number of Inventors:1
Service Invention or Not:No
Application Date:2014-02-17
Publication Date:2015-10-21
Authorization Date:2015-10-21